Redway Battery (US)


12V 50Ah LiFePO4 Battery China Factory OEM/ODM

12V 50Ah LiFePO4 Battery China Factory OEM/ODM

Production Info

✅ High Quality

✅ Advance Feature

✅ Super Demand

✅ Reasonable

✅ Long Lasting

✅ Good


In addition to being potent, dependable, and secure, the Redway 12V50Ah LiFePO4 battery can be used for a wide range of tasks. Due to its excellent performance, reliability, and efficiency, this battery is a perfect choice for industrial, commercial, and recreational use. We will examine its characteristics, advantages, and uses in this post.

12V 50Ah LFP:

12V50Ah Specifications
Cell Type LiFePO4
Nominal Voltage 12.8V
Nominal Capacity 50Ah
Nominal Energy 0.64kWh
Charge Voltage 14.6V
Discharge Voltage 10V
Max. Continues Charge Current 50A
Max. Continues Discharge Current 50A
[L x W x H]
198 x 166 x 170 mm
7.8 x 6.5 x 6.7 in
Weight 5 kg
11 lb
IP Rating IP65 / (More request)
Series & Parallel 4S1P
Max. Battery Parallel 4P to 2.56kWh (More request)
Internal Resistance ≤30mΩ
Cycle Life >4000 cycles
Self-Discharge 3% (Per month)
Charge Temperature 0°C ~ 60°C
32°F ~ 140°F
Discharge Temperature -20°C ~ 65°C
-4°F ~ 149°F
Optional Functions Bluetooth / WiFi / LCD / LED Touch Screen / RS485 / RS232 / CAN / 4G, 5G / GPS / APP
Charger High current fast charger
BMS Intelligent BMS protection
Terminal M8 Bolts
Battery Case ABS (Fireproof plastic)
Warranty 3 Years
Silk-Screen / Label Printing Yes
User Manual / Warranty Card Yes
Customization / OEM / ODM Yes
Shipment Yes
Manufacturer of Redway Factories Dongguan ✔
Certifications UL, FCC, IEC, CE, RoSH, UN38.3, MSDS / (More request)


The 12V50Ah LiFePO4 battery has a number of qualities that elevate it beyond other energy storage alternatives. Following are some of the salient characteristics:

High energy density: Its energy density is up to 129Wh/kg, making it ideal for high-power applications.
Quick charging: It can be fully charged in two to three hours, reducing downtime and improving performance.
Extended cycle life: Battery cycle life, which is up to 4000 cycles at 80% DOD, ensures long-term performance.
Wide operating temperature range: With a temperature range of -20°C to 60°C, the battery is suitable for harsh environments.
In addition to overcharging, overdischarging, and short-circuit protection, the battery includes cutting-edge safety features.


12V50Ah LiFePO4 batteries have a wide range of uses, including:

Systems for storing solar energy: A battery can store solar energy produced during the day and provide electricity at night or when the sun isn’t shining as brightly.
Electric vehicles: Electric vehicles such as golf carts, boats, and automobiles benefit from the battery’s high power and long life.
Backup power: Batteries can provide backup power for essential devices such as data centers, medical equipment, and security systems.
Applications in the maritime industry: With this battery, you can power marine propulsion, boat trolling motors, and navigation systems with reliable and long-lasting power.


A 12V50Ah LiFePO4 battery from Redway provides reliable, secure, and premium energy storage. In addition to its excellent energy density, quick charging, extended cycle life, and cutting-edge safety features, it is an ideal choice for industrial, commercial, and recreational use. Any energy storage system can benefit from the 12V50Ah LiFePO4 battery’s outstanding performance, endurance, and efficiency.

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How long will a 12V 50AH lithium battery last?

A 12V 50Ah lithium battery, like the LiFePO4 chemistry, lasts longer than lead-acid batteries due to its high cycle life and fast charging. Expect a lifespan of around 10 years, with over 2000 deep cycles. These batteries are efficient, maintenance-free, and come with a built-in Battery Management System (BMS) for longevity.

Let’s break down why a 12V 50Ah lithium battery is a durable and long-lasting choice:

  1. Long Lifespan: These batteries, especially those using the LiFePO4 chemistry, can last up to 10 years or more.
  2. High Cycle Life: They can handle over 2000 deep cycles, meaning they can be charged and discharged many times without losing efficiency.
  3. Efficient Charging: They charge quickly, allowing for frequent use and recharging without harming the battery’s lifespan.
  4. Low Maintenance: Unlike lead-acid batteries, they don’t need much upkeep, making them hassle-free to use.
  5. Built-in Protection: With a built-in Battery Management System (BMS), they’re safeguarded against overcharging and over-discharging, ensuring a longer life.

So, if you’re looking for a reliable and long-lasting power source, a 12V 50Ah lithium battery is an excellent choice!

How long does it take to charge a 12V 50Ah battery?

Charging a 12V 50Ah lithium battery takes several hours, depending on the charger’s output current and battery’s efficiency. The formula for charging time considers the battery’s capacity and charge efficiency. A typical charging current for lithium batteries of this size is around 10A, resulting in a charge time of approximately 5.26 hours. It’s crucial to use a compatible charger and follow manufacturer guidelines for safe and efficient charging.

Here’s a simplified explanation of charging a 12V 50Ah lithium battery:

  1. Charging Time Calculation: The time it takes to charge a battery depends on its capacity (50Ah) and the charging current. For example, with a charging current of 10A, the calculation is 50Ah / 10A = 5 hours. However, this is an ideal calculation, and factors like charge efficiency and battery health can affect the actual time.
  2. Charging Process: When you connect a compatible charger to the battery, it starts charging. Lithium batteries can handle higher charging currents, which means they can charge faster than lead-acid batteries of the same capacity.
  3. Safety and Efficiency: It’s important to use the right charger and follow the manufacturer’s instructions. Charging too quickly or using the wrong charger can damage the battery or reduce its lifespan.

In summary, while a 12V 50Ah lithium battery can charge in around 5 hours with a 10A charger, it’s essential to ensure safety and efficiency by using the correct charger and following guidelines.

Why is my 12v 50AH lithium battery not charging?

If your 12V 50Ah lithium battery isn’t charging, it could be due to several reasons. Check the Battery Management System (BMS) for damage, inspect charging equipment for compatibility and damage, and look for physical signs like swelling or punctures. Watch out for overheating and seek professional assistance if problems persist.

Sure, let’s break down why your 12V 50Ah lithium battery might not be charging and what you can do about it:

  1. Battery Management System (BMS): The BMS is like the brain of your battery. If it senses damage or issues, it might stop the charging process to prevent further problems.
  2. Inspect Charging Gear: Sometimes, it’s as simple as checking your charging cables, ports, and the charger itself. Any damage or compatibility issues could be causing the problem.
  3. Look for Physical Signs: If your battery looks swollen or has any punctures, it could indicate something is wrong internally, and it might not charge properly.

Remember, if you’re not sure what to do or if the problem persists, it’s always best to seek help from a professional. They can diagnose the issue and help you get your battery back on track.

What is the maximum charging current for a 12V 50Ah battery?

Charging a 12V 50Ah lithium battery requires considering its specifications and charger capabilities. Charging currents ideally surpass 0.5C for efficiency, with modern chargers supporting rates of 1C or higher. Adhering to manufacturer guidelines and employing compatible chargers ensures safety and efficiency during the charging process.

Here’s a simplified explanation:

  1. Charging a Lithium Battery: When you’re charging a 12V 50Ah lithium battery, it’s important to understand how much power you’re giving it at once. This is called the charging current. It’s like filling a glass with water – if you pour too fast, it might overflow. Similarly, if you charge a lithium battery too quickly, it could get damaged.
  2. Ideal Charging Rate: For lithium batteries, it’s best to charge them at a rate that’s not too slow and not too fast. Think of it like filling the glass with water at just the right speed so it doesn’t spill. This optimal charging rate is usually around 0.5 times the battery’s capacity, which means for a 50Ah battery, you’d want to charge it at about 25 amps.
  3. Safety and Efficiency: Charging too fast can cause the battery to overheat or even catch fire, while charging too slowly can take a long time. Modern chargers are designed to balance speed with safety, but it’s still important to follow the manufacturer’s recommendations. So, always check the charger’s specifications and take your time to charge the battery safely and efficiently.

What is the difference between 12V 50Ah and 100Ah battery?

12V 50Ah and 100Ah batteries differ mainly in capacity. A 100Ah battery stores double the energy of a 50Ah one. This means longer usage time and higher power output. Consider your needs: 100Ah is ideal for longer runtimes, while 50Ah suits smaller applications. Factors like size, cost, and maintenance also vary between them.

When comparing 12V 50Ah and 100Ah batteries, it’s crucial to understand their differences in capacity and usage. Here’s a breakdown:

  1. Capacity: The 100Ah battery holds twice the energy of the 50Ah battery, providing longer usage time and higher power output.
  2. Usage Consideration: If you need extended runtimes, the 100Ah battery is preferable, while the 50Ah is suitable for smaller applications.
  3. Additional Factors: Other factors like size, cost, and maintenance also vary between the two, influencing your decision.

In summary, choose the battery that best fits your power needs and application requirements.

Can a 12V 50Ah lithium battery be used as a deep cycle battery?

A 12V 50Ah lithium battery is ideal for deep cycle applications. Renogy’s 12V 50Ah Core Series Battery offers enhanced power with 10.24kWh expansion and 3500-5000 life cycles. It’s safe, certified, and versatile for camping, RVs, and more. With IP65 protection, it’s durable and portable, ensuring reliable backup power.

Let’s break down why a 12V 50Ah lithium battery is great for deep cycle use:

  1. Enhanced Performance: The Renogy 12V 50Ah Core Series Deep Cycle Lithium Iron Phosphate Battery is built for reliable performance. It’s designed to last for thousands of cycles, providing consistent power output over its lifespan.
  2. Versatility: This battery is a versatile power solution for various applications. Whether you’re camping, traveling in an RV, or need backup power for your home, it’s up to the task.
  3. Safety and Durability: With advanced features like a Battery Management System (BMS) and certifications for safety standards, such as ISO 9001, UL, and ROHS, this battery ensures safe and efficient operation.

In summary, the Renogy 12V 50Ah lithium battery is a dependable choice for deep cycle applications, offering longevity, versatility, and peace of mind for all your power needs.

Do 12V 50Ah LiFePO4 batteries need a special charger?

Yes, 12V 50Ah LiFePO4 batteries typically need a special charger for lithium-ion batteries. This is due to their unique charging profile and built-in Battery Management System (BMS). Using an incompatible charger may damage the battery. Special chargers ensure safe and efficient charging, extending the battery’s lifespan.

Let’s break down why these batteries need a specialized charger:

  1. Unique Charging Profile: LiFePO4 batteries use a distinct Constant Current (CC) and Constant Voltage (CV) charging profile, unlike lead-acid batteries.
  2. Battery Management System (BMS): Many LiFePO4 batteries feature a built-in BMS, regulating charging and safeguarding against overcharging or short-circuiting.
  3. Compatibility and Safety: Special chargers ensure the correct charge rate, preventing damage and extending battery life.

In summary, using a designated charger tailored to LiFePO4 batteries is crucial for optimal performance and safety.


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